Works also with the Bambu Reusable Spool https://makerworld.com/en/models/237007#profileId-253062
Put a hygrometer into your favorite Silica gel spool container with this cap.
The hygrometer snaps into place, sits tight and secure and can also be removed.
With hygrometer inserted, the total height of the cap is 24 mm.
There are three print profiles. First profile with Container and Cap. Second with only the Container and the third is only the Cap.